40 is the common denominator.
Hope this helps!
Answer: The answer is 90.
Step-by-step explanation:
X is 35... set both equations equal to 180...
5x+5=180
5x=175
x=35
Answer:
7(2+x)(2-x)
Step-by-step explanation:
Both terms are perfect squares,use the difference of square formulas
a^2-b^2=(a+b)(a-b) where a=2 and b=x
